OpinionJournal - Best of the Web Today: "Keene concludes: 'Iraq is many things, including a tar-baby that congressional Democrats are going to find as difficult to get away from as the Republicans they so gleefully beat up over the last few years.' We'd put it a little differently: Iraq is a challenge, as well as an opportunity, for America, and if both major parties at last find it necessary to face that challenge responsibly, that is good for the country."